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deodorizer
deodorizer or deodorant, substance used to absorb or eliminate offensive odors. Disinfectants such as hydrogen peroxide, chlorine, and chlorine compounds eliminate odors caused by microorganisms. Adsorbent deodorizers such as activated charcoal and silica gel remove odorous molecules by attract...
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linseed oil
linseed oil amber-colored, fatty oil extracted from the cotyledons and inner coats of the linseed. The raw oil extracted from the seeds by hydraulic pressure is pale in color and practically without taste or odor. When boiled or extracted by application of heat and pressure, it is darker and has a ...
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Théodore de Bry
Théodore de Bry , 1528-98, Flemish engraver and publisher, b. Liège. He spent most of his life in Frankfurt-am-Main. He visited London, where he executed a series of 12 plates, The Procession of the Knights of the Garter, and another of 34 plates, The Funeral of Sir Philip Sidney. ...
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Adolphe Théodore Brongniart
Adolphe Théodore Brongniart , 1801-76, French botanist; son of Alexandre Brongniart. He was a pioneer in the study of plant morphology and physiology and was author of an important work on plant fossils (1828-37) and of a valuable first account of pollen. His classification of plants in the n...
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halitosis
halitosis , unpleasant odor carried on the breath. It is usually the result of gum disorder, tooth decay, smoking, indulgence in aromatic foods, or a mild digestive upset. Known commonly as bad breath, halitosis may also be indicative of lung or sinus infection, uremia, or cirrhosis of the liver. Th...
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naphthalene
naphthalene , colorless, crystalline, solid aromatic hydrocarbon with a pungent odor. It melts at 80°C, boils at 218°C, and sublimes upon heating. It is insoluble in water, somewhat soluble in ethanol, soluble in benzene, and very soluble in ether, chloroform, or carbon disulfide. Naphthalen...
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musk
musk odorous substance secreted by an abdominal gland of the musk deer , used in perfume as a scent and fixative. The gland, found only in males, grows to the size of a hen's egg; the secretion is reddish-brown, with a honeylike consistency and a strong odor that may function in the animal as a ...
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oils
oils term commonly used to indicate a variety of greasy, fluid substances that are, in general, viscous liquids at ordinary temperatures, less dense than water, insoluble in water but soluble in alcohol and ether, and flammable. These substances, however, differ so much among themselves in chemical...
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mercaptan
mercaptan or thiol , any of a class of organic compounds containing the group -SH bonded to a carbon atom. The volatile low-molecular-weight mercaptans have disagreeable odors. Mercaptans are found in crude petroleum, and methyl mercaptan is produced as a decay product of animal and vegetable ma...
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fusel oil
fusel oil , oily, colorless liquid with a disagreeable odor and taste. It is a mixture of alcohols (largely amyl alcohols) and fatty acids, formed during the alcoholic fermentation of organic materials. After imperfect distillation of these fermentation products it becomes an impurity in the distill...
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